Name requested: Rigidoporus microporus

	Mycologia 79 (2): 258.
	Mycotaxon 13 (1): 184. 19: 160. 20 (2): 339, 346, 351. 22 (2): 314. 23: 174. 28 (1): 118. 31 (1): 52, 56. 38: 92. 48: 49. 49: 389. 53: 384, 389. 56: 110, 111. 57: 52, 327. 70: 193, 194, 199. 71: 353. 73: 244. 76: 354. 78: 401. 82: 233, 298, 303, 304, 307. 87: 207. 88: 363.
	Persoonia 7 (2): 309.

Heterotypic synonym: Polyporus lignosus

	Mycologia 47 (2): 218. 55 (4): 479.
	Mycotaxon 18 (2): 519. 67: 405, 406, 409, 410.
	Persoonia 7 (2): 309.

Heterotypic synonym: Fomes lignosus

	Annales Mycologici 35 (2): 130.
	Mycologia 9 (1): 7. 14 (2): 91. 30 (6): 683. 47 (2): 216, 218. 66 (1): 9.
	Mycotaxon 67: 406. 72: 51.

Heterotypic synonym: Rigidoporus lignosus

Mycotaxon 28 (1): 118. 67: 406. 72: 51.